It is quite expensive. The effect has a lot to do with teachers, but not with their propaganda. However, the size of counseling institutions is large, and teachers have a lot of room to choose. It is best to be a teacher at school. A responsible person. In a school, linked with school teaching, you can know the examination information. Counseling institutions are generally guerrillas, unprofessional and easy to speak well, but they are not familiar with the form of college entrance examination.